(1) Applications in oilfield surface engineering: Design, evaluation, and optimization of various transportation processes; station internal piping networks, long-distance pipelines, and pumping stations; temperature drop during pipeline shutdowns; prediction of pigging operations and slug flow; oil and gas separation; separation of oil, gas, and water phases; design calculations for oil and gas separators; prediction of natural gas hydrates; creation of phase diagrams for oil and gas and prediction of their inversion points; crude oil dehydration; design and optimization of crude oil stabilization units; design and optimization of natural gas dehydration units (using glycol or molecular sieves) and desulfurization units; design and optimization of units for recovering light hydrocarbons from natural gas; selection and calculation of pumps and compressors.
(2) Applications in petroleum refining: 1. Design and optimization of atmospheric and vacuum distillation systems; 2. Design and optimization of the FCC main fractionator ; 3. Design and optimization of gas systems ; 4. Design and optimization of gasoline stabilization, naphtha separation and stripping, reactive distillation, shift and methanation reactors, acid-water separators, sulfur and HF alkylation, isobutane removal columns, etc ; 5. In terms of gas treatment: it can handle tasks such as amine desulfurization, multi-stage refrigeration, compressor units, deethanizer and demethanizer towers, expansion devices, gas dehydrogenation, hydrate formation/inhibition, multi-stage operations, refrigeration circuits, and optimization of turbine expanders.
It is a website for online calculations, http://www.bzjs.net, which includes: design manuals, calculations according to standards, and unit conversions. The main calculation procedures are as follows: Calculation of L-type compensators, Calculation of π-type compensators, Calculation of π-type compensator thrust, Calculation of safety valve diameter, Calculation of discharge valves, Alarm for high and low liquid levels in storage tanks, Heat transfer calculation for single-roof tanks, Calculation of equivalent exhaust stacks, Insulation thickness for above-ground pipelines, Calculation of electric heating tapes, Calculation of height of fire dikes, Calculation of separators, Calculation of wind pressure, Thermal cycle efficiency of working fluids, Heat transfer calculation for arch-roof tanks, Elastic bending radius of pipes, Hydrostatic test pressure for pipes, Calculation of gas transmission capacity of pipes, Calculation of length of pipe leakage locations, Pipe spacing and pipe supports, Calculation of flow velocity inside pipes, Calculation of gas flow velocity inside pipes, Wall thickness of pipelines and elbows, Pipeline span, Calculation of temperature drop in pipelines, Weight and area of pipelines, Calculation of minimum pipeline transmission capacity, Heat transfer load, Heat transfer coefficient of heat exchange tubes, Calculation of gas consumption for heating furnaces, Heat transfer calculation for overhead tanks, Calculation of throttle valve diameter, Calculation of power of centrifugal pumps, Allowable suction lift of centrifugal pumps, Viscosity correction for centrifugal oil pumps, Calculation of number of flow meters, Thermal stability calculation for buried pipes, Thermal stress on elbows of buried pipes, Calculation of span of buried pipelines, Error of thermocouple thermometers, Heating area required based on heat source flow rate, Pressure at the starting point of gas pipelines, Calculation of temperature in gas pipelines, Pressure at the ending point of gas pipelines, Average temperature of oil pipelines, Capacity of oil tanks at oil pumping stations, Heat transfer calculation for double-roof tanks, Hydraulic gradient of water pipelines, Hydraulic calculations, Calculation of dimensions of elliptical heads, Volume of horizontal sedimentation tanks, Calculation of discharge volume of relief valves, Wind vibration length of suspended pipes, Pressure loss due to filtration, Calculation of the number of oil tank trucks required, Power of oil tank agitators, Calculation of storage capacity of oil depots, Frictional temperature rise when oil flows through pumps, Settlement speed of water droplets in oil, Calculation of maximum gas storage capacity, Allowable stress of 16Mn steel, Allowable stress of 20# steel, Parameters of T55 heat transfer oil, Parameters of T66 heat transfer oil, Air density under operating conditions, Gas density under operating conditions, Calculation of physical properties of air at atmospheric pressure, Enthalpy values of dry saturated steam and condensate water, Elastic modulus and expansion coefficient of steel, Calculation of viscosity of high-pressure crude oil, Physical properties of water, Solubility of water in hydrocarbons, Calculation of dryness of water vapor, Physical properties of water vapor, Density and compressibility factor of natural gas, Saturated vapor pressure of hydrocarbons, Calculation of surface tension of hydrocarbons, Density and heat capacity of crude oil, Explosion limit of n-alkanes, Conversion between specific heat capacity and specific entropy, Conversion of surface tension, Length, area, volume, Conversion of heat transfer coefficients, Conversion of magnetic field strength, Flux and magnetic flux density, Conversion of heat transfer coefficients, Charge, inductance, capacitance, Current, voltage, resistance, Conversion between dynamic viscosity and kinematic viscosity, Unit conversion of kinematic viscosity, Conversion of radioactive activity, Power conversion, Light intensity, brightness, illumination, Angular velocity, angular acceleration, Re, Eng, St, Force conversion, pressure conversion, Torque conversion, Unit conversion of density, Conversion of internal energy and specific enthalpy, Conversion of energy (heat, work), Conversion of heat flux density, Conversion of heat capacity, Conversion of permeability, Velocity, acceleration, time, Volumetric and mass flow rates, Conversion of universal gas constant, Temperature, weight, angle, Conversion of temperature gradients, Conversion of absorbed dose, Conversion of oil and gas production rates, Conversion of calorific values of oil, gas, coal, Calculation of heat equivalents of oil, gas, coal, Unit conversion of kinematic viscosity, Conversion between mass and volumetric flow rates, Conversion of moment of inertia